<template>
  <div>
    <table
      border="1"
      width="700"
      style="border-collapse: collapse"
    >
      <caption>
        购物车
      </caption>
      <thead>
        <tr>
          <th>
            <input type="checkbox" v-model="isAll"/> <span>全选</span>
          </th>
          <th>名称</th>
          <th>价格</th>
          <th>数量</th>
          <th>总价</th>
          <th>操作</th>
        </tr>
      </thead>
      <tbody>
        <Tbody v-for="(item,index) in goodList" :key="index" :item="item" :index="index"></Tbody>
      </tbody>
      <tfoot>
        <tr>
          <td>合计:{{totalPrice}}</td>
          <td colspan="5">{{totalNum}}</td>
        </tr>
      </tfoot>
    </table>
  </div>
</template>

<script>
import Tbody from './components/tbody.vue'
import { mapState, mapGetters } from 'vuex'
export default {
  components: { Tbody },
  computed: {
    ...mapState(['goodList']),
    isAll: {
      get () {
        return this.goodList.every(item => item.checked === true)
      },
      set (val) {
        // console.log(val)
        this.$store.commit('changeAll', val)
      }
    },
    ...mapGetters(['totalNum', 'totalPrice'])
  }
}
</script>

<style>
</style>
